Special 1UPcard review from Pete at 8-bitcentral.com! May 26 2015
Clean Your Game Carts Without Q-Tip Fuzz Or Blowing- Try the 1UPcard Cleaning Kit!
Now and then (and yesterday) I've had to re-insert 2600 carts a few times before the start screen would apear. I never blew on an Atari cart, but that gray box seemed to demand it. The problem is blowing tends to feed part of what causes oxidation in the first place - moisture! Re-inserting the cart simply scuffed off enough crud to make the contacts connect and run the game.
Adam Stephey, creator of the 1UPcard, has a solution. His solution is 99% isopropyl alcohol (see what I did there?) and a durable polypropylene felt card that applies the alcohol and buffs the cartridge's contacts dry. It works with any game cart and comes with a small bottle of 99% isopropyl alcohol and cleaning card. Check out the video on his site and see if his 1UPcard system seems better than blowing on your game carts.
Clean Your Game Carts Without Q-Tip Fuzz Or Blowing- Try the 1UPcard Cleaning Kit!
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Read more: http://www.8-bitcentral.com/blog/2015/1upCard.html#ixzz3bAAFxiZB